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Friction stir welding apparatus

a technology of friction stir and welding apparatus, which is applied in welding apparatus, metal-working apparatus, manufacturing tools, etc., can solve the problems of not knowing the size of the probe to be used, not knowing the cleaning method with respect to the rotatable probe, etc., and achieves the effect of reliable detection, simple configuration and reliable detection

Active Publication Date: 2016-02-02
F TECH INC +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0011]The present invention has been achieved in view of the above studies, and an object of the present invention is to provide a friction stir welding apparatus that can control a penetrating position of a probe with respect to a processing target member to an optimum position at a time of friction stir welding, by detecting a wear volume and a tip position of the probe, in an optimum mode for executing friction stir welding.
[0033]According to the configuration of the eleventh aspect of the present invention, the movement mechanism is an industrial robot. Consequently, the probe can be moved accurately with respect to the probe detection mechanism, the probe cleaning mechanism, and the processing target member mounted on the mounting member with a more general purpose configuration.

Problems solved by technology

However, there is no disclosure as to how to obtain the size of the probe to be used for friction stir welding.
However, there is no disclosure as to how to execute the cleaning with respect to the rotatable probe.

Method used

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Embodiment Construction

[0041]A friction stir welding apparatus according to an embodiment of the present invention is explained in detail below with reference to the accompanying drawings. In the drawings, an x-axis, a y-axis, and a z-axis constitute a three-axis orthogonal coordinate system. A plane defined by the x-axis and the y-axis is parallel to a horizontal plane, and a normal direction of the z-axis is an upward direction.

[0042]A configuration of the friction stir welding apparatus according to the present embodiment is explained in detail with reference to FIGS. 1 to 7.

[0043]FIG. 1 is a side view showing an overall configuration of the friction stir welding apparatus according to the present embodiment. FIG. 2 is a schematic top view showing an arrangement range of respective constituent elements of the friction stir welding apparatus according to the present embodiment. FIG. 3 is a partial enlarged side view showing a probe detection mechanism of the friction stir welding apparatus according to ...

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Abstract

In a friction stir welding apparatus that can control a penetrating position of a probe with respect to a processing target member to an optimum position at a time of friction stir welding by detecting a wear volume and a tip position of the probe, as a drive mechanism moves down a holder having a coefficient of thermal expansion larger than that of the probe and holding the probe, a detector can freely detect a length of a member including the holder and the probe, and a probe detection mechanism can freely detect a tip length, which is the length of the member of only the probe.

Description

BACKGROUND OF THE INVENTION[0001]The present invention relates to a friction stir welding apparatus, and more particularly relates to a friction stir welding apparatus having a probe detection mechanism, a processing-member detection mechanism, and a probe cleaning mechanism.[0002]In recent years, there has been proposed a friction stir welding apparatus that performs friction stirring on a predetermined welding portion in a processing target component formed by a plurality of metal plates such as aluminum plates by a probe rotating at a high speed, in addition to general arc welding, to weld the metal plates with each other. Even in a strength component of a movable body such as an automobile, a configuration having a welding portion welded by a friction stir welding apparatus has been realized.[0003]In such a friction stir welding apparatus, the rotating probe and the processing target component need to be moved relative to each other to weld a predetermined welding portion accura...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): B23K20/12
CPCB23K20/1245B23K20/123B23K20/126
Inventor SAITOU, TOMOYAYAMAGUCHI, HIROYASUSHOJI, YUKIOSAYAMA, MITSURUKOBAYASHI, TSUTOMU
Owner F TECH INC
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